<div class="container nav-container">
  <nav class="navbar navbar-expand-lg navbar-light bg-light">
    <button
      class="navbar-toggler"
      type="button"
      data-toggle="collapse"
      data-target="#navbarText"
      aria-controls="navbarText"
      aria-expanded="false"
      aria-label="Toggle navigation"
    >
      <span class="navbar-toggler-icon"></span>
    </button>
    <div class="collapse navbar-collapse" id="navbarText">
      <ul class="navbar-nav mr-auto">
        <li class="nav-item active">
          <a class="nav-link" href="/"
            >首页<span class="sr-only">(current)</span></a
          >
        </li>
        <li class="nav-item">
          <a class="nav-link" target="__blank" href="https://iiter.cn"
            >艾特网</a
          >
        </li>
        <li class="nav-item">
          <a
            class="nav-link"
            target="__blank"
            href="https://github.com/isnl/koa-video"
            >Github</a
          >
        </li>
      </ul>
      <div class="form-inline">
        <input
          class="form-control mr-sm-2 search-input"
          type="search"
          placeholder="请输入搜索内容......"
          aria-label="Search"
          maxlength="24"
        />
        <button class="btn btn-outline-success my-2 my-sm-0 search-btn">
          搜索
        </button>
      </div>
    </div>
  </nav>
</div>
